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Segment and Geographic Information - Significant Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |
Stock-based compensation |  |  | $ 8,864 | $ 16,097
General and administrative | $ 6,660 | $ 9,779 | 20,500 | 28,855
Total operating expenses | 22,285 | 34,217 | 75,722 | 80,115
Single Reportable Segment |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |
Compensation and benefits | 6,400 | 8,558 | 20,699 | 25,515
Lab and equipment | 4,003 | 9,897 | 12,886 | 12,984
General and administrative | 3,509 | 4,281 | 11,502 | 11,829
Professional services | 4,871 | 2,829 | 17,036 | 7,081
Facility | 1,540 | 1,941 | 4,531 | 5,967
Marketing and sales | 147 | 181 | 525 | 623
Total operating expenses | 22,285 | 34,217 | 75,722 | 80,115
Operating Segments | Single Reportable Segment |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |
Stock-based compensation | $ 1,815 | $ 6,530 | $ 8,543 | $ 16,116

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